/Engine/Source/Runtime/Messaging/Public/INetworkMessagingExtension.h
Per-node per-message transfer statistics.
struct FInboundTransferStatistics
int32
BytesReceived
Total bytes sent thus far.
uint64
BytesToReceive
Total bytes to send for the given MessageId
int32
MessageId
Message Id that uniquely identifies the inbound message.
FGuid
OriginId
Unique Id for the target.